28979730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 192

約数和(自身を含む): 90574848

約数和(自身を除く): 61595118

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 30, 31, 34, 39, 45, 47, 51, 62, 65, 78, 85, 90, 93, 94, 102, 117, 130, 141, 153, 155, 170, 186, 195, 221, 234, 235, 255, 279, 282, 306, 310, 390, 403, 423, 442, 465, 470, 510, 527, 558, 585, 611, 663, 705, 765, 799, 806, 846, 930, 1054, 1105, 1170, 1209, 1222, 1326, 1395, 1410, 1457, 1530, 1581, 1598, 1833, 1989, 2015, 2115, 2210, 2397, 2418, 2635, 2790, 2914, 3055, 3162, 3315, 3627, 3666, 3978, 3995, 4030, 4230, 4371, 4743, 4794, 5270, 5499, 6045, 6110, 6630, 6851, 7191, 7254, 7285, 7905, 7990, 8742, 9165, 9486, 9945, 10387, 10998, 11985, 12090, 13113, 13702, 14382, 14570, 15810, 18135, 18330, 18941, 19890, 20553, 20774, 21855, 23715, 23970, 24769, 26226, 27495, 31161, 34255, 35955, 36270, 37882, 41106, 43710, 47430, 49538, 51935, 54990, 56823, 61659, 62322, 65565, 68510, 71910, 74307, 93483, 94705, 102765, 103870, 113646, 123318, 123845, 131130, 148614, 155805, 170469, 186966, 189410, 205530, 222921, 247690, 284115, 308295, 311610, 321997, 340938, 371535, 445842, 467415, 568230, 616590, 643994, 743070, 852345, 934830, 965991, 1114605, 1609985, 1704690, 1931982, 2229210, 2897973, 3219970, 4829955, 5795946, 9659910, 14489865, 28979730]

約数ペア:

[(1, 28979730), (2, 14489865), (3, 9659910), (5, 5795946), (6, 4829955), (9, 3219970), (10, 2897973), (13, 2229210), (15, 1931982), (17, 1704690), (18, 1609985), (26, 1114605), (30, 965991), (31, 934830), (34, 852345), (39, 743070), (45, 643994), (47, 616590), (51, 568230), (62, 467415), (65, 445842), (78, 371535), (85, 340938), (90, 321997), (93, 311610), (94, 308295), (102, 284115), (117, 247690), (130, 222921), (141, 205530), (153, 189410), (155, 186966), (170, 170469), (186, 155805), (195, 148614), (221, 131130), (234, 123845), (235, 123318), (255, 113646), (279, 103870), (282, 102765), (306, 94705), (310, 93483), (390, 74307), (403, 71910), (423, 68510), (442, 65565), (465, 62322), (470, 61659), (510, 56823), (527, 54990), (558, 51935), (585, 49538), (611, 47430), (663, 43710), (705, 41106), (765, 37882), (799, 36270), (806, 35955), (846, 34255), (930, 31161), (1054, 27495), (1105, 26226), (1170, 24769), (1209, 23970), (1222, 23715), (1326, 21855), (1395, 20774), (1410, 20553), (1457, 19890), (1530, 18941), (1581, 18330), (1598, 18135), (1833, 15810), (1989, 14570), (2015, 14382), (2115, 13702), (2210, 13113), (2397, 12090), (2418, 11985), (2635, 10998), (2790, 10387), (2914, 9945), (3055, 9486), (3162, 9165), (3315, 8742), (3627, 7990), (3666, 7905), (3978, 7285), (3995, 7254), (4030, 7191), (4230, 6851), (4371, 6630), (4743, 6110), (4794, 6045), (5270, 5499)]