899366980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{433}}^1$

素因数の和:649

約数の個数: 96

約数和(自身を含む): 2067055200

約数和(自身を除く): 1167688220

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 149, 164, 170, 205, 298, 340, 410, 433, 596, 697, 745, 820, 866, 1394, 1490, 1732, 2165, 2533, 2788, 2980, 3485, 4330, 5066, 6109, 6970, 7361, 8660, 10132, 12218, 12665, 13940, 14722, 17753, 24436, 25330, 29444, 30545, 35506, 36805, 50660, 61090, 64517, 71012, 73610, 88765, 103853, 122180, 129034, 147220, 177530, 207706, 258068, 301801, 322585, 355060, 415412, 519265, 603602, 645170, 1038530, 1096789, 1207204, 1290340, 1509005, 2077060, 2193578, 2645197, 3018010, 4387156, 5290394, 5483945, 6036020, 10580788, 10967890, 13225985, 21935780, 26451970, 44968349, 52903940, 89936698, 179873396, 224841745, 449683490, 899366980]

約数ペア:

[(1, 899366980), (2, 449683490), (4, 224841745), (5, 179873396), (10, 89936698), (17, 52903940), (20, 44968349), (34, 26451970), (41, 21935780), (68, 13225985), (82, 10967890), (85, 10580788), (149, 6036020), (164, 5483945), (170, 5290394), (205, 4387156), (298, 3018010), (340, 2645197), (410, 2193578), (433, 2077060), (596, 1509005), (697, 1290340), (745, 1207204), (820, 1096789), (866, 1038530), (1394, 645170), (1490, 603602), (1732, 519265), (2165, 415412), (2533, 355060), (2788, 322585), (2980, 301801), (3485, 258068), (4330, 207706), (5066, 177530), (6109, 147220), (6970, 129034), (7361, 122180), (8660, 103853), (10132, 88765), (12218, 73610), (12665, 71012), (13940, 64517), (14722, 61090), (17753, 50660), (24436, 36805), (25330, 35506), (29444, 30545)]