402056980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{601}}^1$

素因数の和:737

約数の個数: 96

約数和(自身を含む): 951487488

約数和(自身を除く): 549430508

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 83, 124, 130, 155, 166, 260, 310, 332, 403, 415, 601, 620, 806, 830, 1079, 1202, 1612, 1660, 2015, 2158, 2404, 2573, 3005, 4030, 4316, 5146, 5395, 6010, 7813, 8060, 10292, 10790, 12020, 12865, 15626, 18631, 21580, 25730, 31252, 33449, 37262, 39065, 49883, 51460, 66898, 74524, 78130, 93155, 99766, 133796, 156260, 167245, 186310, 199532, 242203, 249415, 334490, 372620, 484406, 498830, 648479, 668980, 968812, 997660, 1211015, 1296958, 1546373, 2422030, 2593916, 3092746, 3242395, 4844060, 6185492, 6484790, 7731865, 12969580, 15463730, 20102849, 30927460, 40205698, 80411396, 100514245, 201028490, 402056980]

約数ペア:

[(1, 402056980), (2, 201028490), (4, 100514245), (5, 80411396), (10, 40205698), (13, 30927460), (20, 20102849), (26, 15463730), (31, 12969580), (52, 7731865), (62, 6484790), (65, 6185492), (83, 4844060), (124, 3242395), (130, 3092746), (155, 2593916), (166, 2422030), (260, 1546373), (310, 1296958), (332, 1211015), (403, 997660), (415, 968812), (601, 668980), (620, 648479), (806, 498830), (830, 484406), (1079, 372620), (1202, 334490), (1612, 249415), (1660, 242203), (2015, 199532), (2158, 186310), (2404, 167245), (2573, 156260), (3005, 133796), (4030, 99766), (4316, 93155), (5146, 78130), (5395, 74524), (6010, 66898), (7813, 51460), (8060, 49883), (10292, 39065), (10790, 37262), (12020, 33449), (12865, 31252), (15626, 25730), (18631, 21580)]