2145965420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{599}}^1$

素因数の和:923

約数の個数: 96

約数和(自身を含む): 4915209600

約数和(自身を除く): 2769244180

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 257, 340, 410, 514, 599, 697, 820, 1028, 1198, 1285, 1394, 2396, 2570, 2788, 2995, 3485, 4369, 5140, 5990, 6970, 8738, 10183, 10537, 11980, 13940, 17476, 20366, 21074, 21845, 24559, 40732, 42148, 43690, 49118, 50915, 52685, 87380, 98236, 101830, 105370, 122795, 153943, 179129, 203660, 210740, 245590, 307886, 358258, 417503, 491180, 615772, 716516, 769715, 835006, 895645, 1539430, 1670012, 1791290, 2087515, 2617031, 3078860, 3582580, 4175030, 5234062, 6311663, 8350060, 10468124, 12623326, 13085155, 25246652, 26170310, 31558315, 52340620, 63116630, 107298271, 126233260, 214596542, 429193084, 536491355, 1072982710, 2145965420]

約数ペア:

[(1, 2145965420), (2, 1072982710), (4, 536491355), (5, 429193084), (10, 214596542), (17, 126233260), (20, 107298271), (34, 63116630), (41, 52340620), (68, 31558315), (82, 26170310), (85, 25246652), (164, 13085155), (170, 12623326), (205, 10468124), (257, 8350060), (340, 6311663), (410, 5234062), (514, 4175030), (599, 3582580), (697, 3078860), (820, 2617031), (1028, 2087515), (1198, 1791290), (1285, 1670012), (1394, 1539430), (2396, 895645), (2570, 835006), (2788, 769715), (2995, 716516), (3485, 615772), (4369, 491180), (5140, 417503), (5990, 358258), (6970, 307886), (8738, 245590), (10183, 210740), (10537, 203660), (11980, 179129), (13940, 153943), (17476, 122795), (20366, 105370), (21074, 101830), (21845, 98236), (24559, 87380), (40732, 52685), (42148, 50915), (43690, 49118)]