400942620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10079}}^1$

素因数の和:10124

約数の個数: 144

約数和(自身を含む): 1386927360

約数和(自身を除く): 985984740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1989, 2210, 2340, 2652, 3060, 3315, 3978, 4420, 6630, 7956, 9945, 10079, 13260, 19890, 20158, 30237, 39780, 40316, 50395, 60474, 90711, 100790, 120948, 131027, 151185, 171343, 181422, 201580, 262054, 302370, 342686, 362844, 393081, 453555, 514029, 524108, 604740, 655135, 685372, 786162, 856715, 907110, 1028058, 1179243, 1310270, 1542087, 1572324, 1713430, 1814220, 1965405, 2056116, 2227459, 2358486, 2570145, 2620540, 3084174, 3426860, 3930810, 4454918, 4716972, 5140290, 5896215, 6168348, 6682377, 7710435, 7861620, 8909836, 10280580, 11137295, 11792430, 13364754, 15420870, 20047131, 22274590, 23584860, 26729508, 30841740, 33411885, 40094262, 44549180, 66823770, 80188524, 100235655, 133647540, 200471310, 400942620]

約数ペア:

[(1, 400942620), (2, 200471310), (3, 133647540), (4, 100235655), (5, 80188524), (6, 66823770), (9, 44549180), (10, 40094262), (12, 33411885), (13, 30841740), (15, 26729508), (17, 23584860), (18, 22274590), (20, 20047131), (26, 15420870), (30, 13364754), (34, 11792430), (36, 11137295), (39, 10280580), (45, 8909836), (51, 7861620), (52, 7710435), (60, 6682377), (65, 6168348), (68, 5896215), (78, 5140290), (85, 4716972), (90, 4454918), (102, 3930810), (117, 3426860), (130, 3084174), (153, 2620540), (156, 2570145), (170, 2358486), (180, 2227459), (195, 2056116), (204, 1965405), (221, 1814220), (234, 1713430), (255, 1572324), (260, 1542087), (306, 1310270), (340, 1179243), (390, 1028058), (442, 907110), (468, 856715), (510, 786162), (585, 685372), (612, 655135), (663, 604740), (765, 524108), (780, 514029), (884, 453555), (1020, 393081), (1105, 362844), (1170, 342686), (1326, 302370), (1530, 262054), (1989, 201580), (2210, 181422), (2340, 171343), (2652, 151185), (3060, 131027), (3315, 120948), (3978, 100790), (4420, 90711), (6630, 60474), (7956, 50395), (9945, 40316), (10079, 39780), (13260, 30237), (19890, 20158)]