491929380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1733}}^1$

素因数の和:1850

約数の個数: 144

約数和(自身を含む): 1590563520

約数和(自身を除く): 1098634140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 83, 90, 95, 114, 166, 171, 180, 190, 228, 249, 285, 332, 342, 380, 415, 498, 570, 684, 747, 830, 855, 996, 1140, 1245, 1494, 1577, 1660, 1710, 1733, 2490, 2988, 3154, 3420, 3466, 3735, 4731, 4980, 5199, 6308, 6932, 7470, 7885, 8665, 9462, 10398, 14193, 14940, 15597, 15770, 17330, 18924, 20796, 23655, 25995, 28386, 31194, 31540, 32927, 34660, 47310, 51990, 56772, 62388, 65854, 70965, 77985, 94620, 98781, 103980, 131708, 141930, 143839, 155970, 164635, 197562, 283860, 287678, 296343, 311940, 329270, 395124, 431517, 493905, 575356, 592686, 658540, 719195, 863034, 987810, 1185372, 1294551, 1438390, 1481715, 1726068, 1975620, 2157585, 2589102, 2732941, 2876780, 2963430, 4315170, 5178204, 5465882, 5926860, 6472755, 8198823, 8630340, 10931764, 12945510, 13664705, 16397646, 24596469, 25891020, 27329410, 32795292, 40994115, 49192938, 54658820, 81988230, 98385876, 122982345, 163976460, 245964690, 491929380]

約数ペア:

[(1, 491929380), (2, 245964690), (3, 163976460), (4, 122982345), (5, 98385876), (6, 81988230), (9, 54658820), (10, 49192938), (12, 40994115), (15, 32795292), (18, 27329410), (19, 25891020), (20, 24596469), (30, 16397646), (36, 13664705), (38, 12945510), (45, 10931764), (57, 8630340), (60, 8198823), (76, 6472755), (83, 5926860), (90, 5465882), (95, 5178204), (114, 4315170), (166, 2963430), (171, 2876780), (180, 2732941), (190, 2589102), (228, 2157585), (249, 1975620), (285, 1726068), (332, 1481715), (342, 1438390), (380, 1294551), (415, 1185372), (498, 987810), (570, 863034), (684, 719195), (747, 658540), (830, 592686), (855, 575356), (996, 493905), (1140, 431517), (1245, 395124), (1494, 329270), (1577, 311940), (1660, 296343), (1710, 287678), (1733, 283860), (2490, 197562), (2988, 164635), (3154, 155970), (3420, 143839), (3466, 141930), (3735, 131708), (4731, 103980), (4980, 98781), (5199, 94620), (6308, 77985), (6932, 70965), (7470, 65854), (7885, 62388), (8665, 56772), (9462, 51990), (10398, 47310), (14193, 34660), (14940, 32927), (15597, 31540), (15770, 31194), (17330, 28386), (18924, 25995), (20796, 23655)]