1640694650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1$

素因数の和:709

約数の個数: 192

約数和(自身を含む): 4062597120

約数和(自身を除く): 2421902470

約数列:

[1, 2, 5, 7, 10, 14, 17, 19, 23, 25, 34, 35, 38, 46, 50, 70, 85, 95, 115, 119, 133, 161, 170, 175, 190, 230, 238, 266, 322, 323, 350, 391, 425, 437, 475, 575, 595, 631, 646, 665, 782, 805, 850, 874, 950, 1150, 1190, 1262, 1330, 1610, 1615, 1955, 2185, 2261, 2737, 2975, 3059, 3155, 3230, 3325, 3910, 4025, 4370, 4417, 4522, 5474, 5950, 6118, 6310, 6650, 7429, 8050, 8075, 8834, 9775, 10727, 10925, 11305, 11989, 13685, 14513, 14858, 15295, 15775, 16150, 19550, 21454, 21850, 22085, 22610, 23978, 27370, 29026, 30590, 31550, 37145, 44170, 52003, 53635, 56525, 59945, 68425, 72565, 74290, 75089, 76475, 83923, 101591, 104006, 107270, 110425, 113050, 119890, 136850, 145130, 150178, 152950, 167846, 185725, 203182, 203813, 220850, 246721, 260015, 268175, 275747, 299725, 362825, 371450, 375445, 407626, 419615, 493442, 507955, 520030, 536350, 551494, 599450, 725650, 750890, 839230, 1015910, 1019065, 1233605, 1300075, 1378735, 1426691, 1727047, 1877225, 1930229, 2038130, 2098075, 2467210, 2539775, 2600150, 2757470, 2853382, 3454094, 3754450, 3860458, 4196150, 4687699, 5079550, 5095325, 6168025, 6893675, 7133455, 8635235, 9375398, 9651145, 10190650, 12336050, 13787350, 14266910, 17270470, 19302290, 23438495, 32813893, 35667275, 43176175, 46876990, 48255725, 65627786, 71334550, 86352350, 96511450, 117192475, 164069465, 234384950, 328138930, 820347325, 1640694650]

約数ペア:

[(1, 1640694650), (2, 820347325), (5, 328138930), (7, 234384950), (10, 164069465), (14, 117192475), (17, 96511450), (19, 86352350), (23, 71334550), (25, 65627786), (34, 48255725), (35, 46876990), (38, 43176175), (46, 35667275), (50, 32813893), (70, 23438495), (85, 19302290), (95, 17270470), (115, 14266910), (119, 13787350), (133, 12336050), (161, 10190650), (170, 9651145), (175, 9375398), (190, 8635235), (230, 7133455), (238, 6893675), (266, 6168025), (322, 5095325), (323, 5079550), (350, 4687699), (391, 4196150), (425, 3860458), (437, 3754450), (475, 3454094), (575, 2853382), (595, 2757470), (631, 2600150), (646, 2539775), (665, 2467210), (782, 2098075), (805, 2038130), (850, 1930229), (874, 1877225), (950, 1727047), (1150, 1426691), (1190, 1378735), (1262, 1300075), (1330, 1233605), (1610, 1019065), (1615, 1015910), (1955, 839230), (2185, 750890), (2261, 725650), (2737, 599450), (2975, 551494), (3059, 536350), (3155, 520030), (3230, 507955), (3325, 493442), (3910, 419615), (4025, 407626), (4370, 375445), (4417, 371450), (4522, 362825), (5474, 299725), (5950, 275747), (6118, 268175), (6310, 260015), (6650, 246721), (7429, 220850), (8050, 203813), (8075, 203182), (8834, 185725), (9775, 167846), (10727, 152950), (10925, 150178), (11305, 145130), (11989, 136850), (13685, 119890), (14513, 113050), (14858, 110425), (15295, 107270), (15775, 104006), (16150, 101591), (19550, 83923), (21454, 76475), (21850, 75089), (22085, 74290), (22610, 72565), (23978, 68425), (27370, 59945), (29026, 56525), (30590, 53635), (31550, 52003), (37145, 44170)]