39502980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:378

約数の個数: 144

約数和(自身を含む): 133031808

約数和(自身を除く): 93528828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 71, 90, 99, 110, 132, 142, 165, 180, 198, 213, 220, 281, 284, 330, 355, 396, 426, 495, 562, 639, 660, 710, 781, 843, 852, 990, 1065, 1124, 1278, 1405, 1420, 1562, 1686, 1980, 2130, 2343, 2529, 2556, 2810, 3091, 3124, 3195, 3372, 3905, 4215, 4260, 4686, 5058, 5620, 6182, 6390, 7029, 7810, 8430, 9273, 9372, 10116, 11715, 12364, 12645, 12780, 14058, 15455, 15620, 16860, 18546, 19951, 23430, 25290, 27819, 28116, 30910, 35145, 37092, 39902, 46365, 46860, 50580, 55638, 59853, 61820, 70290, 79804, 92730, 99755, 111276, 119706, 139095, 140580, 179559, 185460, 199510, 219461, 239412, 278190, 299265, 359118, 399020, 438922, 556380, 598530, 658383, 718236, 877844, 897795, 1097305, 1197060, 1316766, 1795590, 1975149, 2194610, 2633532, 3291915, 3591180, 3950298, 4389220, 6583830, 7900596, 9875745, 13167660, 19751490, 39502980]

約数ペア:

[(1, 39502980), (2, 19751490), (3, 13167660), (4, 9875745), (5, 7900596), (6, 6583830), (9, 4389220), (10, 3950298), (11, 3591180), (12, 3291915), (15, 2633532), (18, 2194610), (20, 1975149), (22, 1795590), (30, 1316766), (33, 1197060), (36, 1097305), (44, 897795), (45, 877844), (55, 718236), (60, 658383), (66, 598530), (71, 556380), (90, 438922), (99, 399020), (110, 359118), (132, 299265), (142, 278190), (165, 239412), (180, 219461), (198, 199510), (213, 185460), (220, 179559), (281, 140580), (284, 139095), (330, 119706), (355, 111276), (396, 99755), (426, 92730), (495, 79804), (562, 70290), (639, 61820), (660, 59853), (710, 55638), (781, 50580), (843, 46860), (852, 46365), (990, 39902), (1065, 37092), (1124, 35145), (1278, 30910), (1405, 28116), (1420, 27819), (1562, 25290), (1686, 23430), (1980, 19951), (2130, 18546), (2343, 16860), (2529, 15620), (2556, 15455), (2810, 14058), (3091, 12780), (3124, 12645), (3195, 12364), (3372, 11715), (3905, 10116), (4215, 9372), (4260, 9273), (4686, 8430), (5058, 7810), (5620, 7029), (6182, 6390)]