83398980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1493}}^1$

素因数の和:1538

約数の個数: 144

約数和(自身を含む): 286130880

約数和(自身を除く): 202731900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1330, 1470, 1493, 1596, 1862, 1995, 2660, 2793, 2940, 2986, 3724, 3990, 4479, 4655, 5586, 5972, 7465, 7980, 8958, 9310, 10451, 11172, 13965, 14930, 17916, 18620, 20902, 22395, 27930, 28367, 29860, 31353, 41804, 44790, 52255, 55860, 56734, 62706, 73157, 85101, 89580, 104510, 113468, 125412, 141835, 146314, 156765, 170202, 198569, 209020, 219471, 283670, 292628, 313530, 340404, 365785, 397138, 425505, 438942, 567340, 595707, 627060, 731570, 794276, 851010, 877884, 992845, 1097355, 1191414, 1389983, 1463140, 1702020, 1985690, 2194710, 2382828, 2779966, 2978535, 3971380, 4169949, 4389420, 5559932, 5957070, 6949915, 8339898, 11914140, 13899830, 16679796, 20849745, 27799660, 41699490, 83398980]

約数ペア:

[(1, 83398980), (2, 41699490), (3, 27799660), (4, 20849745), (5, 16679796), (6, 13899830), (7, 11914140), (10, 8339898), (12, 6949915), (14, 5957070), (15, 5559932), (19, 4389420), (20, 4169949), (21, 3971380), (28, 2978535), (30, 2779966), (35, 2382828), (38, 2194710), (42, 1985690), (49, 1702020), (57, 1463140), (60, 1389983), (70, 1191414), (76, 1097355), (84, 992845), (95, 877884), (98, 851010), (105, 794276), (114, 731570), (133, 627060), (140, 595707), (147, 567340), (190, 438942), (196, 425505), (210, 397138), (228, 365785), (245, 340404), (266, 313530), (285, 292628), (294, 283670), (380, 219471), (399, 209020), (420, 198569), (490, 170202), (532, 156765), (570, 146314), (588, 141835), (665, 125412), (735, 113468), (798, 104510), (931, 89580), (980, 85101), (1140, 73157), (1330, 62706), (1470, 56734), (1493, 55860), (1596, 52255), (1862, 44790), (1995, 41804), (2660, 31353), (2793, 29860), (2940, 28367), (2986, 27930), (3724, 22395), (3990, 20902), (4479, 18620), (4655, 17916), (5586, 14930), (5972, 13965), (7465, 11172), (7980, 10451), (8958, 9310)]