388766790

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{25261}}^1$

素因数の和:25299

約数の個数: 80

約数和(自身を含む): 1100412720

約数和(自身を除く): 711645930

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 81, 90, 95, 114, 135, 162, 171, 190, 270, 285, 342, 405, 513, 570, 810, 855, 1026, 1539, 1710, 2565, 3078, 5130, 7695, 15390, 25261, 50522, 75783, 126305, 151566, 227349, 252610, 378915, 454698, 479959, 682047, 757830, 959918, 1136745, 1364094, 1439877, 2046141, 2273490, 2399795, 2879754, 3410235, 4092282, 4319631, 4799590, 6820470, 7199385, 8639262, 10230705, 12958893, 14398770, 20461410, 21598155, 25917786, 38876679, 43196310, 64794465, 77753358, 129588930, 194383395, 388766790]

約数ペア:

[(1, 388766790), (2, 194383395), (3, 129588930), (5, 77753358), (6, 64794465), (9, 43196310), (10, 38876679), (15, 25917786), (18, 21598155), (19, 20461410), (27, 14398770), (30, 12958893), (38, 10230705), (45, 8639262), (54, 7199385), (57, 6820470), (81, 4799590), (90, 4319631), (95, 4092282), (114, 3410235), (135, 2879754), (162, 2399795), (171, 2273490), (190, 2046141), (270, 1439877), (285, 1364094), (342, 1136745), (405, 959918), (513, 757830), (570, 682047), (810, 479959), (855, 454698), (1026, 378915), (1539, 252610), (1710, 227349), (2565, 151566), (3078, 126305), (5130, 75783), (7695, 50522), (15390, 25261)]