388378620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16223}}^1$

素因数の和:16264

約数の個数: 144

約数和(自身を含む): 1417328640

約数和(自身を除く): 1028950020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 7980, 11970, 16223, 23940, 32446, 48669, 64892, 81115, 97338, 113561, 146007, 162230, 194676, 227122, 243345, 292014, 308237, 324460, 340683, 454244, 486690, 567805, 584028, 616474, 681366, 730035, 924711, 973380, 1022049, 1135610, 1232948, 1362732, 1460070, 1541185, 1703415, 1849422, 2044098, 2157659, 2271220, 2774133, 2920140, 3082370, 3406830, 3698844, 4088196, 4315318, 4623555, 5110245, 5548266, 6164740, 6472977, 6813660, 8630636, 9247110, 10220490, 10788295, 11096532, 12945954, 13870665, 18494220, 19418931, 20440980, 21576590, 25891908, 27741330, 32364885, 38837862, 43153180, 55482660, 64729770, 77675724, 97094655, 129459540, 194189310, 388378620]

約数ペア:

[(1, 388378620), (2, 194189310), (3, 129459540), (4, 97094655), (5, 77675724), (6, 64729770), (7, 55482660), (9, 43153180), (10, 38837862), (12, 32364885), (14, 27741330), (15, 25891908), (18, 21576590), (19, 20440980), (20, 19418931), (21, 18494220), (28, 13870665), (30, 12945954), (35, 11096532), (36, 10788295), (38, 10220490), (42, 9247110), (45, 8630636), (57, 6813660), (60, 6472977), (63, 6164740), (70, 5548266), (76, 5110245), (84, 4623555), (90, 4315318), (95, 4088196), (105, 3698844), (114, 3406830), (126, 3082370), (133, 2920140), (140, 2774133), (171, 2271220), (180, 2157659), (190, 2044098), (210, 1849422), (228, 1703415), (252, 1541185), (266, 1460070), (285, 1362732), (315, 1232948), (342, 1135610), (380, 1022049), (399, 973380), (420, 924711), (532, 730035), (570, 681366), (630, 616474), (665, 584028), (684, 567805), (798, 486690), (855, 454244), (1140, 340683), (1197, 324460), (1260, 308237), (1330, 292014), (1596, 243345), (1710, 227122), (1995, 194676), (2394, 162230), (2660, 146007), (3420, 113561), (3990, 97338), (4788, 81115), (5985, 64892), (7980, 48669), (11970, 32446), (16223, 23940)]