39189930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:320

約数の個数: 128

約数和(自身を含む): 112347648

約数和(自身を除く): 73157718

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 23, 26, 30, 34, 39, 46, 51, 65, 69, 78, 85, 102, 115, 130, 138, 170, 195, 221, 230, 255, 257, 299, 345, 390, 391, 442, 510, 514, 598, 663, 690, 771, 782, 897, 1105, 1173, 1285, 1326, 1495, 1542, 1794, 1955, 2210, 2346, 2570, 2990, 3315, 3341, 3855, 3910, 4369, 4485, 5083, 5865, 5911, 6630, 6682, 7710, 8738, 8970, 10023, 10166, 11730, 11822, 13107, 15249, 16705, 17733, 20046, 21845, 25415, 26214, 29555, 30498, 33410, 35466, 43690, 50115, 50830, 56797, 59110, 65535, 76245, 76843, 88665, 100230, 100487, 113594, 131070, 152490, 153686, 170391, 177330, 200974, 230529, 283985, 301461, 340782, 384215, 461058, 502435, 567970, 602922, 768430, 851955, 1004870, 1152645, 1306331, 1507305, 1703910, 2305290, 2612662, 3014610, 3918993, 6531655, 7837986, 13063310, 19594965, 39189930]

約数ペア:

[(1, 39189930), (2, 19594965), (3, 13063310), (5, 7837986), (6, 6531655), (10, 3918993), (13, 3014610), (15, 2612662), (17, 2305290), (23, 1703910), (26, 1507305), (30, 1306331), (34, 1152645), (39, 1004870), (46, 851955), (51, 768430), (65, 602922), (69, 567970), (78, 502435), (85, 461058), (102, 384215), (115, 340782), (130, 301461), (138, 283985), (170, 230529), (195, 200974), (221, 177330), (230, 170391), (255, 153686), (257, 152490), (299, 131070), (345, 113594), (390, 100487), (391, 100230), (442, 88665), (510, 76843), (514, 76245), (598, 65535), (663, 59110), (690, 56797), (771, 50830), (782, 50115), (897, 43690), (1105, 35466), (1173, 33410), (1285, 30498), (1326, 29555), (1495, 26214), (1542, 25415), (1794, 21845), (1955, 20046), (2210, 17733), (2346, 16705), (2570, 15249), (2990, 13107), (3315, 11822), (3341, 11730), (3855, 10166), (3910, 10023), (4369, 8970), (4485, 8738), (5083, 7710), (5865, 6682), (5911, 6630)]