7881465260

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:707

約数の個数: 96

約数和(自身を含む): 17203233600

約数和(自身を除く): 9321768340

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 149, 164, 205, 251, 257, 298, 410, 502, 514, 596, 745, 820, 1004, 1028, 1255, 1285, 1490, 2510, 2570, 2980, 5020, 5140, 6109, 10291, 10537, 12218, 20582, 21074, 24436, 30545, 37399, 38293, 41164, 42148, 51455, 52685, 61090, 64507, 74798, 76586, 102910, 105370, 122180, 129014, 149596, 153172, 186995, 191465, 205820, 210740, 258028, 322535, 373990, 382930, 645070, 747980, 765860, 1290140, 1533359, 1570013, 2644787, 3066718, 3140026, 5289574, 6133436, 6280052, 7666795, 7850065, 9611543, 10579148, 13223935, 15333590, 15700130, 19223086, 26447870, 30667180, 31400260, 38446172, 48057715, 52895740, 96115430, 192230860, 394073263, 788146526, 1576293052, 1970366315, 3940732630, 7881465260]

約数ペア:

[(1, 7881465260), (2, 3940732630), (4, 1970366315), (5, 1576293052), (10, 788146526), (20, 394073263), (41, 192230860), (82, 96115430), (149, 52895740), (164, 48057715), (205, 38446172), (251, 31400260), (257, 30667180), (298, 26447870), (410, 19223086), (502, 15700130), (514, 15333590), (596, 13223935), (745, 10579148), (820, 9611543), (1004, 7850065), (1028, 7666795), (1255, 6280052), (1285, 6133436), (1490, 5289574), (2510, 3140026), (2570, 3066718), (2980, 2644787), (5020, 1570013), (5140, 1533359), (6109, 1290140), (10291, 765860), (10537, 747980), (12218, 645070), (20582, 382930), (21074, 373990), (24436, 322535), (30545, 258028), (37399, 210740), (38293, 205820), (41164, 191465), (42148, 186995), (51455, 153172), (52685, 149596), (61090, 129014), (64507, 122180), (74798, 105370), (76586, 102910)]