258839620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{373}}^1$

素因数の和:569

約数の個数: 96

約数和(自身を含む): 625429728

約数和(自身を除く): 366590108

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 157, 170, 221, 260, 314, 340, 373, 442, 628, 746, 785, 884, 1105, 1492, 1570, 1865, 2041, 2210, 2669, 3140, 3730, 4082, 4420, 4849, 5338, 6341, 7460, 8164, 9698, 10205, 10676, 12682, 13345, 19396, 20410, 24245, 25364, 26690, 31705, 34697, 40820, 48490, 53380, 58561, 63410, 69394, 82433, 96980, 117122, 126820, 138788, 164866, 173485, 234244, 292805, 329732, 346970, 412165, 585610, 693940, 761293, 824330, 995537, 1171220, 1522586, 1648660, 1991074, 3045172, 3806465, 3982148, 4977685, 7612930, 9955370, 12941981, 15225860, 19910740, 25883962, 51767924, 64709905, 129419810, 258839620]

約数ペア:

[(1, 258839620), (2, 129419810), (4, 64709905), (5, 51767924), (10, 25883962), (13, 19910740), (17, 15225860), (20, 12941981), (26, 9955370), (34, 7612930), (52, 4977685), (65, 3982148), (68, 3806465), (85, 3045172), (130, 1991074), (157, 1648660), (170, 1522586), (221, 1171220), (260, 995537), (314, 824330), (340, 761293), (373, 693940), (442, 585610), (628, 412165), (746, 346970), (785, 329732), (884, 292805), (1105, 234244), (1492, 173485), (1570, 164866), (1865, 138788), (2041, 126820), (2210, 117122), (2669, 96980), (3140, 82433), (3730, 69394), (4082, 63410), (4420, 58561), (4849, 53380), (5338, 48490), (6341, 40820), (7460, 34697), (8164, 31705), (9698, 26690), (10205, 25364), (10676, 24245), (12682, 20410), (13345, 19396)]