1888403790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{691723}}^1$

素因数の和:691753

約数の個数: 64

約数和(自身を含む): 5578062336

約数和(自身を除く): 3689658546

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 691723, 1383446, 2075169, 3458615, 4150338, 4842061, 6917230, 8992399, 9684122, 10375845, 14526183, 17984798, 20751690, 24210305, 26977197, 29052366, 44961995, 48420610, 53954394, 62946793, 72630915, 89923990, 125893586, 134885985, 145261830, 188840379, 269771970, 314733965, 377680758, 629467930, 944201895, 1888403790]

約数ペア:

[(1, 1888403790), (2, 944201895), (3, 629467930), (5, 377680758), (6, 314733965), (7, 269771970), (10, 188840379), (13, 145261830), (14, 134885985), (15, 125893586), (21, 89923990), (26, 72630915), (30, 62946793), (35, 53954394), (39, 48420610), (42, 44961995), (65, 29052366), (70, 26977197), (78, 24210305), (91, 20751690), (105, 17984798), (130, 14526183), (182, 10375845), (195, 9684122), (210, 8992399), (273, 6917230), (390, 4842061), (455, 4150338), (546, 3458615), (910, 2075169), (1365, 1383446), (2730, 691723)]