7222280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 128

約数和(自身を含む): 19958400

約数和(自身を除く): 12736120

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 19, 20, 26, 34, 38, 40, 43, 52, 65, 68, 76, 85, 86, 95, 104, 130, 136, 152, 170, 172, 190, 215, 221, 247, 260, 323, 340, 344, 380, 430, 442, 494, 520, 559, 646, 680, 731, 760, 817, 860, 884, 988, 1105, 1118, 1235, 1292, 1462, 1615, 1634, 1720, 1768, 1976, 2210, 2236, 2470, 2584, 2795, 2924, 3230, 3268, 3655, 4085, 4199, 4420, 4472, 4940, 5590, 5848, 6460, 6536, 7310, 8170, 8398, 8840, 9503, 9880, 10621, 11180, 12920, 13889, 14620, 16340, 16796, 19006, 20995, 21242, 22360, 27778, 29240, 32680, 33592, 38012, 41990, 42484, 47515, 53105, 55556, 69445, 76024, 83980, 84968, 95030, 106210, 111112, 138890, 167960, 180557, 190060, 212420, 277780, 361114, 380120, 424840, 555560, 722228, 902785, 1444456, 1805570, 3611140, 7222280]

約数ペア:

[(1, 7222280), (2, 3611140), (4, 1805570), (5, 1444456), (8, 902785), (10, 722228), (13, 555560), (17, 424840), (19, 380120), (20, 361114), (26, 277780), (34, 212420), (38, 190060), (40, 180557), (43, 167960), (52, 138890), (65, 111112), (68, 106210), (76, 95030), (85, 84968), (86, 83980), (95, 76024), (104, 69445), (130, 55556), (136, 53105), (152, 47515), (170, 42484), (172, 41990), (190, 38012), (215, 33592), (221, 32680), (247, 29240), (260, 27778), (323, 22360), (340, 21242), (344, 20995), (380, 19006), (430, 16796), (442, 16340), (494, 14620), (520, 13889), (559, 12920), (646, 11180), (680, 10621), (731, 9880), (760, 9503), (817, 8840), (860, 8398), (884, 8170), (988, 7310), (1105, 6536), (1118, 6460), (1235, 5848), (1292, 5590), (1462, 4940), (1615, 4472), (1634, 4420), (1720, 4199), (1768, 4085), (1976, 3655), (2210, 3268), (2236, 3230), (2470, 2924), (2584, 2795)]